Potoooooooo
Contributor
Tibetan Mastiffs Bred with Mountain Wolves to Survive at Super-High Altitudes
Lie down with Tibetan wolves, wake up a super-respirator.
www.livescience.com
Tibetan mastiffs are monstrous dogs that survive high in the mountains, and now we know their ability to thrive in such harsh and low-oxygen environs comes from an extra shot of wolfishness in their genes.
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